Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446621 | Fabric repairing tool with cylindrical sheet metal cutter | — | 1984-05-08 |
| 4401043 | Double pointed looper actuating mechanism for chain stitch sewing machine | — | 1983-08-30 |
| 4322781 | Uniformly lighted pattern display | — | 1982-03-30 |
| 4316562 | Button attaching tool | Donald R. Davidson | 1982-02-23 |
| 4241961 | Two level sewing machine cabinet | Douglas C. Lang | 1980-12-30 |
| 4217507 | Linear motor | Wolfgang Jaffe | 1980-08-12 |
| 4211178 | Sewing machine mount | — | 1980-07-08 |
| 4198915 | Vacuum-type pneumatic needle threading assist | Robert Sedlatschek, James A. Transue, Peter J. Totino | 1980-04-22 |
| 4188896 | Diaphragm pump for needle threading | Jack Brown, John A. Herr, Wolfgang Jaffe | 1980-02-19 |
| 4185575 | Ramp speed integrated motor controller for sewing machines | Jack Brown, John A. Herr, John W. Wurst | 1980-01-29 |
| 4184443 | Diaphragm pump for needle threading | Jack Brown, John A. Herr, Wolfgang Jaffe | 1980-01-22 |
| 4183593 | Sewing machine cabinet vibration dampening using rubber magnets | — | 1980-01-15 |